On Sat, Nov 15, 2008 at 9:24 AM, bu qi cheng <[EMAIL PROTECTED]> wrote: > Currently, to meet M8. ChunRong has done the patch unrolling to walk around > the bug. We are waiting for the Mikhail's direction on the "magic for > monitorEnter/monitorExit". If there are "magic for > monitorEnter/monitorExit", the unrolling will be ok. If there are no these > kind magic, we will use our solution (To make sure the CHECK NULL before > monitorEnter/monitorExit will not be eliminated simply, or eliminate the > mechanism: "catch the un-catched throw with hardware") for the problem.
In this case, we probably should open a new JIRA or just re-open this JIRA. Btw, I guess "catch the un-catched throw with hardware" is still a good idea. Thanks, xiaofeng > > Thanks! > > Buqi > > > > > On Fri, Nov 14, 2008 at 10:01 AM, Xiao-Feng Li <[EMAIL PROTECTED]>wrote: > >> Is this bug worked around or really fixed? >> >> On Fri, Nov 14, 2008 at 9:54 AM, Chunrong Lai (JIRA) <[EMAIL PROTECTED]> >> wrote: >> > >> > [ >> https://issues.apache.org/jira/browse/HARMONY-6013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel] >> > >> > Chunrong Lai resolved HARMONY-6013. >> > ----------------------------------- >> > >> > Resolution: Fixed >> > >> > >> > Fixed in r713673. >> > >> >> Problems with null pointer exception catch in server or opt mode for >> Java applications >> >> >> --------------------------------------------------------------------------------------- >> >> >> >> Key: HARMONY-6013 >> >> URL: https://issues.apache.org/jira/browse/HARMONY-6013 >> >> Project: Harmony >> >> Issue Type: Bug >> >> Components: DRLVM >> >> Affects Versions: 5.0M7 >> >> Environment: Windows XP OS, Intel Core(TM)2 Duo CPU >> >> Reporter: Zhiguo Ge >> >> Assignee: Chunrong Lai >> >> >> >> Harmony has problems with null pointer exception catch under server or >> opt mode for Java applications. >> >> The following shows a test example: >> >> public class Btest5710 { >> >> >> >> Object obj; >> >> public static void main(String [] args) { >> >> (new Btest5710()).test(); >> >> } >> >> public void test() { >> >> System.err.println("Start Btest5710 test..."); >> >> try { >> >> sync(); >> >> System.err.println("FAILED: NullPointerException was >> expected"); >> >> System.exit(-99); >> >> } catch (NullPointerException e) { >> >> System.err.println("PASSED: " + e); >> >> } catch (Throwable e) { >> >> System.err.println("Unexpected exception was thrown:"); >> >> e.printStackTrace(); >> >> System.err.println("FAILED"); >> >> System.exit(-99); >> >> } >> >> } >> >> void sync() { >> >> synchronized (obj) { >> >> obj = new Object(); >> >> } >> >> } >> >> } >> >> When running in server or opt mode, error will happen and the following >> is the error message. >> >> Signal reported: GENERAL_PROTECTION_FAULT >> >> Registers: >> >> EAX: 0x0003f700, EBX: 0x208667ac, ECX: 0x00000004, EDX: 0x00000003 >> >> ESI: 0x02fed15c, EDI: 0x0013f8c0, ESP: 0x0013f6f8, EBP: 0x0086e740 >> >> EIP: 0x00820b8f >> > >> > -- >> > This message is automatically generated by JIRA. >> > - >> > You can reply to this email to add a comment to the issue online. >> > >> > >> >> >> >> -- >> http://xiao-feng.blogspot.com >> > -- http://xiao-feng.blogspot.com
